/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package fr.vod.gauss.matrice;

/**
 *
 * @author drazanakoto
 */
public class EquationImpl implements Equation{

    protected int[] ligne;
    protected int result;

    /**
     * 
     * @param e 
     */
    public EquationImpl(Equation e){
        this(e.getLigne(),e.getResult());
    }
    
    /**
     * 
     * @param ligne
     * @param result 
     */
    public EquationImpl(int[] ligne, int result) {
        this.ligne = ligne;
        this.result = result;
    }

    /**
     *
     * @param index
     * @return
     */
    @Override
    public int get(int index) {
        return ligne[index];
    }

    /**
     * 
     * @param index
     * @param value 
     */
    @Override
    public void setValueAt(int index,int value){
        ligne[index] = value;
    }
    
    
    /**
     * 
     * @param resultat 
     */
    @Override
    public void setResult(int resultat){
        this.result = resultat;
    }
    
    /**
     * 
     * @return 
     */
    @Override
    public int getResult(){
        return result;
    }
    
    /**
     * 
     * @return 
     */
    @Override
    public int getSize(){
        return ligne.length;
    }
    
    @Override
    public int[] getLigne() {
        return ligne.clone();
    }
    
    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        for (int i : ligne) {
            sb.append(i < 0 ? i : "+" + i);
        }
        return sb.toString().substring(1) + "=" + result;
    }
}
